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The AAPG/Datapages Combined Publications Database

Showing 380 Results. Searched 195,452 documents.

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Tectonic Structures of Platforms

V. D. Nalivkin

CSPG Special Publications

... of 180 million years corresponding to the Caledonian, Hercynian, and Mesozoic stages of tectogenesis. Data for a long stretch of time are average...

1967

Simulation of the Genesis of Current Ripples by Means of a Cellular Automaton

J. J. P. Zijlstra

Special Publications of SEPM

... and that in the course of time smaller bed forms will thus amalgamate into larger bed forms to form more or less equally sized bed forms moving downcurrent...

1999

California Exploration and Development in 1940

Eugene H. Vallat

AAPG Bulletin

... the approach to a drilled-up status for California fields. An attempt is made to arrive at the cost and length of pay-out time for an average top allowable...

1941

Centrifuge Separation of Heavy Minerals: A New Apparatus: NOTES

J. C. Theron

Journal of Sedimentary Research (SEPM)

... at the same time. The average recovery percentage of the blank samples was deducted from the percentage heavy minerals recovered from the two samples...

1969

Chapter 10: 2-D Pore Architecture Characterization of a Carbonate Mudrock Reservoir: Insights from the Mid-Continent “Mississippi Lime”

Beth Vanden Berg, G. Michael Grammer

AAPG Special Volumes

... relationship that can be approximated by the Wyllie time average equation (Figure 2) (Anselmetti et al., 1997; Eberli et al., 2003). Within...

2016

Remarks on United States Mineral Economy

Hollis M. Dole

AAPG Bulletin

... problems--pollution, shortages, international marketing, and capital--account for most of the work time of the average mineral economist. They represent...

1971

Future Growth of Known Oil and Gas Fields

David H. Root , Richard F. Mast

AAPG Bulletin

..., estimated in year e. We say the age of the fields at the time of estimate is e - d + 1. The growth factor from age a to age a + 1 is given by, EQUATION...

1993

Integrated rock classification in carbonate formations based on elastic and petrophysical properties estimated from conventional well logs

Mehrnoosh Saneifar, Roy Conte, Clotilde Chen Valdes, Zoya Heidari, and Michael C. Pope

AAPG Bulletin

...-average equation (Wyllie et al., 1956) and Archie’s equation (Archie, 1942) to estimate interconnected porosity and water saturation.Wyllie’s time-average...

2015

Reservoir Characterization of Silurian (Niagaran) "Pinnacle" Reefs in the Michigan Basin; #50286 (2010)

G. Michael Grammer, Amy K. Noack, Heather Qualman, Audrey Ritter-Varga, Jessica Wold, Anthony E. Sandomierski, W.B. Harrison III

Search and Discovery.com

...-wave velocity (m/s) 6000 5000 m/s 5000 4000 43% 12% 3000 2400 m/s 2000 1000 0 Time-average equation Woods equation (for suspension) Theoretical...

2010

Shear Velocity Prediction and its Rock Mechanic Implications, #41296 (2014)

Yexin Liu, Zhuoheng Chen, Kezhen Hu

Search and Discovery.com

... is usually not affected by the gas-saturation. Therefore, for the transit time of S-wave logs, the response equation is: (6) Where Δts is S-wave transit...

2014

Combining Sequence Stratigraphy with Artificial Neural Networks to Enhance Regional Correlation and Determination of Reservoir Quality in the Mississippian LimestoneŽ of the Mid-Continent, USA, #42091 (2017).

Elizabeth Elium, G. Michael Grammer, Matthew Pranter

Search and Discovery.com

... BASIN 4000 N 43% 12% 3000 2400 m/s 2000 Kansas 16.6 mi Seismic Oklahoma 7.85mi Albus #1-34H 1000 Time-average equation Woods equation...

2017

Discrimination of Microseismicity Caused by Proppant Injection Using Microseismic Waveform Clustering: The Horn River Basin Case Study

Satoshi Ishikawa, Naoyuki Shimoda, Hiroyuki Tokunaga

Unconventional Resources Technology Conference (URTEC)

..., velocity modelling and hypocenter locationing based on Ishikawa et al. (2019). Event detection was carried out with the STA/ LTA (short-time average...

2019

Some Innovations in Quick Look Log Analysis*

Earl W. Sutton

Southeast Asia Petroleum Exploration Society (SEAPEX)

... such a technique was to calibrate the sonic log response to porosity. It was evident that the conventional time average equation resulted in sonic...

1975

Migration of Natural Gas Through Heterogeneous Sandy Soils Affected by Atmospheric Boundary Conditions

Ariel Esposito, Tissa Illangasekare, Kathleen Smits

Unconventional Resources Technology Conference (URTEC)

... and to relate to practical detection scenarios, it is necessary to time average the data. The averaging time can be interpreted as detection time. Figure 5...

2014

A Comparison of Depth Conversion Methods in Buntal Gas Field, Block B, Natuna Sea, Indonesia

Irfan Yuliandri Syukri, John Hughes, Medi Medianesterian

Indonesian Petroleum Association

... incorporated included: (1) a linear average velocity-time function; (2) a 2nd order polynomial time-depth function; (3) an instantaneous velocity-depth V0k...

2014

Uncertainty Analysis in Well-Log and Petrophysical Interpretations

William R. Moore, Y. Zee Ma, Jim Urdea, Tom Bratton

AAPG Special Volumes

... development. Points exist both above and below the Wylie time-average porosity line. The analyst must determine if the error is with the data...

2011

Integration of geology, rock physics, logs, and prestack seismic data for reservoir porosity estimation

Abdulaziz M. AlMuhaidib, Mrinal K. Sen, M. Nafi Toksoz

AAPG Bulletin

...% at a given velocity. The velocity scatter around the Wyllie time average equation may introduce uncertainty in estimating porosity from P-wave velocity...

2012

The equivalent pore aspect ratio as a tool for pore type prediction in carbonate reservoirs

François Fournier, Matthieu Pellerin, Quentin Villeneuve, Thomas Teillet, Fei Hong, Emmanuelle Poli, Jean Borgomano, Philippe Léonide, and Alex Hairabian

AAPG Bulletin

.... Castagna, 2004, Revisiting the Wyllie time average equation in the case of near-spherical pores: Geophysics, v. 69, no. 1, p. 45–55, doi:10.1190/1.1649374...

2018

Origin of overpressure and pore-pressure prediction in the Baram province, Brunei

Mark R. P. Tingay, Richard R. Hillis, Richard E. Swarbrick, Chris K. Morley, Abdul Razak Damit

AAPG Bulletin

... reservoir pressures in Gulf Coast Louisiana: AAPG Bulletin, v. 37, p. 410432.Dvorkin, J., and A. Nur, 1998, Time-average equation revisited: Geophysics, v...

2009

Turbulent Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... by the boundary, and the profile of time-average velocity along a line normal to the boundary. With turbulent flow it's not possible to solve...

1984

Chapter 25: Comparison of Production from Horizontal and Vertical Wells in the Austin Chalk, Niobrara, and Bakken Plays

James R. Stell, Charles A. Brown

Rocky Mountain Association of Geologists

... production versus time for the arithmetic average vertical and horizontal Austin Chalk wells in the Pearsall Field are dramatically different (Fig. 11...

2011

Episodic Rifting and Subsidence in the South China Sea

Ke Ru , John D. Pigott

AAPG Bulletin

... is less than 70 Ma, we used the depth-time equation of Parsons and Sclater (1977): EQUATION (1) where time t is in 106 years and depth d...

1986

Mechanical Control of Annular Gas Flow, a Case Study and Way Forward Analysis

Guillaume Tarnaud, Philippe Essel, Jack Newberry, Franck Wendlinger, C.O. “Doc” Stokley

Indonesian Petroleum Association

... requiring squeeze cementing of the CAP valve. Thus six wells required slightly increased operating time for an average total success rate of 97.3...

2007

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